YS 140L question

[David Harmon]

Could be.I noticed that on my 140-L I can rotate the prop into a
position which for some reason will not allow the air leak when
defueling.
I never have bothered to find out why though.
 
Regards

Dave Harmon
NSRCA 586
K6XYZ[at]comcast[dot]net
Torrance, Ca. 
-----Original Message-----
From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]
On Behalf Of Troy Newman
Sent: Tuesday, April 06, 2004 6:55 PM
To: discussion at nsrca.org
Subject: Re: YS 140L question
 
air leak somewhere!  gaskets....valve cover, carb, reg gasket...throttle
barrel seal...head gasket....something is leaking air. Sometimes its a
small leak and doesn't affect performance much.....but look for leaking
fuel in the engine compartment....A new set of gaskets would go a long
way...could also be a o-ring...like on the pushrod tubes, maybe a intake
tube O-ring....Usually these things are easy fixes.....but its leaking
somewhere if that reg is not sealing.
 
Troy Newman
----- Original Message ----- 
From: Chuck Czarnik <mailto:CCzarnik at arclp.com>  
To: discussion at nsrca.org 
Sent: Tuesday, April 06, 2004 6:18 PM
Subject: YS 140L question
 
Ok, for the YS Gurus out there..
 
I have a 140L, runs good.  Fuel system has no leaks.  However, when I
defuel, the pump sucks air bubbles in the fuel.  If I pinch the fuel
line at the regulator, the pump primes and no more bubbles.  Regulator
has a new diaphragm in it.  Engine doesn't appear to leak fuel anywhere
when running.  Something to worry about?  What should I check?  Thanks
in advance!  Chuck
 
 

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